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Nataliya [291]
1 year ago
6

100 points, PLEASE HELP MEEE

Mathematics
1 answer:
masha68 [24]1 year ago
7 0

Answer:

b = 3a

Step-by-step explanation:

a = < - 1, 3 >

b = < - 3, 9 >

Thus

b = 3a

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Is x-3 a factor of the polynomial p(x)=2x4-9x3+15x2-22x+12 and for waht reason
andre [41]
Yes, (x - 3) is a factor of the given polynomial.

If (x - 3) was a factor of the polynomial, then 3 would be one of the zeros of the function. That means if you input 3 into the function, you will get an output of zero.

In this case, inputting 3 does produce 0. Therefore, it is a factor.
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3 years ago
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Algebra 2- Common Functions PLEASE HELP!
RoseWind [281]

Answer: B

Step-by-step explanation:

Intersection of the 2 parts of the function is (0,0):

==> not A

the second part of the function is an half-line (and x =0)

Answer B

7 0
2 years ago
In ΔDEF, the measure of ∠F=90°, DE = 70 feet, and EF = 57 feet. Find the measure of ∠D to the nearest tenth of a degree.
kondor19780726 [428]

Answer:

  54.5°

Step-by-step explanation:

You know that in a right triangle, the sine of an angle is given by ...

  Sin = Opposite/Hypotenuse

  sin(D) = EF/ED = 57/70

The inverse sine function is used to find the angle:

  ∠D = arcsin(57/70)

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5 0
3 years ago
Can someone help me find the area and perimeter please?​
Lelu [443]

Answer:

Step-by-step explanation:

Remember that the formula to get the area of a right triangle is base times height divided by 2, so to find the area:

5 x 12 = 60/2 = 30

Area of this triangle is 30.

To find the perimeter, add all the sides:

5 + 12 + 13 = 30.

Perimeter of this triangle is 30.

7 0
2 years ago
jackson had 1 and 1/3 gallons of juice he poured 5/6 gallon to share with his friends how much of the juice is left
FromTheMoon [43]
1 1/3 - 5/6

Find common demoninator which is 6.

Then do 2*1=2.

Now you got 2/6 - 5/6 = -3/6

Simplify:

-3/6=-1/2

Then combined answers.

1 - 1/2 = 1/2

Final answer is 1/2


6 0
3 years ago
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